they're a little embarrassed about that, but that's not as embarrassing as north korea using a michael jackson song when they're trying to set fire to america. come on, there's currently a south korean guy setting fire to the charts if you really want to win over america and the south koreans, next time go with "gangnam style." >>> good evening. tonight a stunning statement about governor chris christie, a man who could one day be president or run for president. quote, i'm worried about this man dying in office. who says so? a former white house physician, no less, who says his luck may be rung out. chris christie himself. he's got the lowdown. sanjay gupta will join us for that. and gary tuchman investigating why people build bunkers. what drives them to prepare for everything from natural disasters to the end of the world as he see it. >>> the bunker that jimmy lee dykes turned into a prison cell for a 5-year-old boy and a kind of twisted alamo where he made his final stand. a bunker we're now learning that included two bombs. the fbi just released the photos. the blue tent was added to pres